space exploration

Testimony before the U.S. Senate on the past, present, and future of NASA.

Testimony before the U.S. Senate on the past, present, and future of NASA.

A panel discussion on Real Time with Bill Maher with James Carville, John Heilemann, and Bob Lutz.

Interview on Radio Freethinker, a skeptic's podcast, with comments on science communication, Carl Sagan, Pluto, and space exploration.

Answering viewer's Twitter questions backstage on space exploration, Europa, and aliens on Star Trek.

An interview in SanDiego.com about space exploration and policy, as well as science fiction and the upcoming book.

Citizen Radio interview on the importance of NASA, science education, and space exploration.

A discussion on the space program and space exploration policy, with reflections on the Space Shuttle era (1981-2011).

An interview about Pluto, an appearance on the Big Bang Theory television show, and how to rescue the space exploration program.

Neil and Jon discuss traveling to Mars, longevity, and the process of discovery.